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thinkahol *

TEDxRheinMain - Prof. Dr. Thomas Metzinger - The Ego Tunnel - YouTube - 0 views

www.youtube.com/watch

TEDxRheinMain - Prof. Dr. Thomas Metzinger The Ego Tunnel YouTube

shared by thinkahol * on 19 Oct 11 - No Cached
  • thinkahol * on 19 Oct 11
     
    Brain, bodily awareness, and the emergence of a conscious self: these entities and their relations are explored by Germanphilosopher and cognitive scientist Metzinger. Extensively working with neuroscientists he has come to the conclusion that, in fact, there is no such thing as a "self" -- that a "self" is simply the content of a model created by our brain - part of a virtual reality we create for ourselves. But if the self is not "real," he asks, why and how did it evolve? How does the brain construct the self? In a series of fascinating virtual reality experiments, Metzinger and his colleagues have attempted to create so-called "out-of-body experiences" in the lab, in order to explore these questions. As a philosopher, he offers a discussion of many of the latest results in robotics, neuroscience, dream and meditation research, and argues that the brain is much more powerful than we have ever imagined. He shows us, for example, that we now have the first machines that have developed an inner image of their own body -- and actually use this model to create intelligent behavior. In addition, studies exploring the connections between phantom limbs and the brain have shown us that even people born without arms or legs sometimes experience a sensation that they do in fact have limbs that are not there. Experiments like the "rubber-hand illusion" demonstrate how we can experience a fake hand as part of our self and even feel a sensation of touch on the phantom hand form the basis and testing ground for the idea that what we have called the "self" in the past is just the content of a transparent self-model in our brains. Now, as new ways of manipulating the conscious mind-brain appear on the scene, it will soon become possible to alter our subjective reality in an unprecedented manner. The cultural consequences of this, Metzinger claims, may be immense: we will need a new approach to ethics, and we will be forced to think about ourselves in a fundamentally new way. At
Sarah Eeee

*A Brain Scientist's Take on Writing*: What Mirror Images and Foreign Scripts Tell Us About the Reading Brain - 0 views

blog.liviablackburne.com/...mages-and-foreign-scripts.html

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shared by Sarah Eeee on 22 Dec 10 - No Cached
  • For most adults in literate countries, reading is so well practiced that it’s reflexive. If the words are there, it's impossible not to read.
  • If you raise a child on a desert island, he'll learn to eat, walk, and sleep, but odds are he won't spontaneously pick up a stick and start writing. For most of human history, written language didn't even exist. Reading as a cultural invention has only been around for a few thousand years, a snap of a finger in evolutionary terms.
  • we’re very good at seeing, and the trick is just to retune that machinery to the demands of reading.
  • ...11 more annotations...
  • But even on a basic visual level, we have to somewhat reprogram our visual systems.
  • Mirror invariance, the idea that something flipped sideways is still the same object, is a core property of our visual systems, and for good reason.
  • What's the mirror image of b? Now it's a completely different letter: d.
  • Mirror reversal is overwhelmingly common in beginning writers, from the occasional flipped letter to whole words written as a mirror image. Kids do this spontaneously. They never actually see flipped letters in the world around them. It's as if their brains are too powerful for the task.
  • With practice however, we do retrain our brains to read
  • Does the brain of a reader look different from that of a nonreader?
  • Since blood flow is tied to brain activity, fMRI allows us to see the patches of brain involved in different tasks.
    • Sarah Eeee
      Sarah Eeee on 22 Dec 10
       
      Bit of an oversimplification, no?
  • They found that most participants did indeed have a brain region that responded more to words than objects.
  • This is rather remarkable, that the brain would develop a specialized area for an artificial category of images.
  • need more proof that this region developed as a result of learning to read.
  • If reading experience does alter the brain, you would expect English readers and English/Hebrew readers to have different brain responses to Hebrew. And this is indeed what Baker found. The bilingual readers had high activation for both Hebrew and English in their word region, while monolingual English readers only had high activation for English.
  • Sarah Eeee on 22 Dec 10
     
    Interesting & quick post on research into the neurological basis of reading.
Todd Suomela

More Evidence That Intelligence Is Largely Inherited: Researchers Find That Genes Determine Brain's Processing Speed - 0 views

www.sciencedaily.com/...090317142841.htm

neurology neuroscience biology memory intelligence mri brain-imaging science sts mental psychology

shared by Todd Suomela on 18 Mar 09 - Cached
  • In a study published recently in the Journal of Neuroscience, UCLA neurology professor Paul Thompson and colleagues used a new type of brain-imaging scanner to show that intelligence is strongly influenced by the quality of the brain's axons, or wiring that sends signals throughout the brain. The faster the signaling, the faster the brain processes information. And since the integrity of the brain's wiring is influenced by genes, the genes we inherit play a far greater role in intelligence than was previously thought.
  • Todd Suomela on 18 Mar 09
     
    Intriguing article but frustratingly vague on the measurements used for intelligence testing. Apparently HARDI (High Angular Resolution Diffusion Imaging) can measure the diffusion of water through the brain, especially myelin. In yet another twin study (n=46 pairs) there appears to be a correlation between diffusion speed and intelligence.
Natalie Stewart

Human Thought Can Control This Robot | Psychology Update | Scoop.it - 0 views

www.scoop.it/...thought-can-control-this-robot

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shared by Natalie Stewart on 16 Jul 12 - No Cached
  • Natalie Stewart on 16 Jul 12
     
    Researchers use functional magnetic resonance imaging to scan the brain of a student as he imagined each individual limb. Scientists mapped out his brain wave patterns, and translated them into commands to make the robot move. The student was then able to control the robot's movement entirely by thinking about moving.
nat bas

Mind - How Nonsense Sharpens the Intellect - NYTimes.com - 0 views

www.nytimes.com/...06mind.html

psychology memory learning patterns coherence order

shared by nat bas on 06 Oct 09 - Cached
  • The brain evolved to predict, and it does so by identifying patterns. When those patterns break down — as when a hiker stumbles across an easy chair sitting deep in the woods, as if dropped from the sky — the brain gropes for something, anything that makes sense. It may retreat to a familiar ritual, like checking equipment. But it may also turn its attention outward, the researchers argue, and notice, say, a pattern in animal tracks that was previously hidden. The urge to find a coherent pattern makes it more likely that the brain will find one.
  • “The fact that the group who read the absurd story identified more letter strings suggests that they were more motivated to look for patterns than the others,” Dr. Heine said. “And the fact that they were more accurate means, we think, that they’re forming new patterns they wouldn’t be able to form otherwise.”
  • Brain-imaging studies of people evaluating anomalies, or working out unsettling dilemmas, show that activity in an area called the anterior cingulate cortex spikes significantly. The more activation is recorded, the greater the motivation or ability to seek and correct errors in the real world, a recent study suggests
  • ...2 more annotations...
  • For another, studies have found that people in the grip of the uncanny tend to see patterns where none exist — becoming more prone to conspiracy theories, for example. The urge for order satisfies itself, it seems, regardless of the quality of the evidence.
  • Still, the new research supports what many experimental artists, habitual travelers and other novel seekers have always insisted: at least some of the time, disorientation begets creative thinking.
  • nat bas on 06 Oct 09
     
    A sense of the absurd sharpens your intellect: you find more meaning after you've been through something that makes no sense at all.
Todd Suomela

PLoS ONE: Neural Correlates of Hate - 0 views

www.plosone.org/...10.1371%2Fjournal.pone.0003556

neurology neuroscience brain-imaging psychology hatred

shared by Todd Suomela on 31 Oct 08 - Cached
  • Todd Suomela on 31 Oct 08
     
    In this work, we address an important but unexplored topic, namely the neural correlates of hate. In a block-design fMRI study, we scanned 17 normal human subjects while they viewed the face of a person they hated and also faces of acquaintances for whom they had neutral feelings. A hate score was obtained for the object of hate for each subject and this was used as a covariate in a between-subject random effects analysis. Viewing a hated face resulted in increased activity in the medial frontal gyrus, right putamen, bilaterally in premotor cortex, in the frontal pole and bilaterally in the medial insula. We also found three areas where activation correlated linearly with the declared level of hatred, the right insula, right premotor cortex and the right fronto-medial gyrus. One area of deactivation was found in the right superior frontal gyrus. The study thus shows that there is a unique pattern of activity in the brain in the context of hate. Though distinct from the pattern of activity that correlates with romantic love, this pattern nevertheless shares two areas with the latter, namely the putamen and the insula.
Im Funny

Wisdom and wise quote with image - 1 views

geniusquotes.net/sdom-and-wise-quote-with-image

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shared by Im Funny on 21 Jan 14 - No Cached
  • Im Funny on 21 Jan 14
     
    Wisdom and wise quote with image 
smmtopmarket78

Buy Old Instagram Accounts - SmmTopMarket - 0 views

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shared by smmtopmarket78 on 10 Sep 23 - No Cached
  • smmtopmarket78 on 10 Sep 23
     
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  • ...1 more comment...
  • smmtopmarket78 on 19 Sep 23
     
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Todd Suomela

PLoS ONE: A Common Anterior Insula Representation of Disgust Observation, Experience and Imagination Shows Divergent Functional Connectivity Pathways - 0 views

www.plosone.org/...10.1371%2Fjournal.pone.0002939

brain-imaging imagining neuroscience reading visualization

shared by Todd Suomela on 14 Aug 08 - Cached
  • Todd Suomela on 14 Aug 08
     
    We found voxels in the anterior Insula and adjacent frontal operculum to be involved in all three modalities of disgust, suggesting that simulation in the context of social perception and mental imagery of disgust share a common neural substrates. Using effective connectivity, this shared region however was found to be embedded in distinct functional circuits during the three modalities, suggesting why observing, imagining and experiencing an emotion feels so different.
Caramel Crow

Positive Psychology Progress - Empirical Validation of Interventions - 0 views

www.authentichappiness.sas.upenn.edu/...apaarticle.pdf

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shared by Caramel Crow on 22 May 08 - No Cached
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shared by alvaeastham987 on 19 Jul 23 - No Cached
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shared by usasmmcity878 on 08 Apr 24 - No Cached
  • usasmmcity878 on 08 Apr 24
     
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